component
SN74HC244APWR
Public Made by Adomby adom
Texas Instruments Buffers / Drivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011
{
"schema_version": 1,
"type": "component",
"slug": "sn74hc244apwr",
"title": "SN74HC244APWR",
"brief": "Texas Instruments Buffers / Drivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"logic ics",
"sn74hc244apwr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SN74HC244APWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic ICs",
"subcategory": "Buffers / Drivers",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc244a.pdf",
"parts": {
"symbol": "sn74hc244apwr.kicad_sym",
"footprint": "sn74hc244apwr.kicad_mod",
"model_3d": "sn74hc244apwr-hero.glb",
"model_3d_plain": "sn74hc244apwr-etched.glb",
"model_3d_step": "sn74hc244apwr-etched.step",
"model_3d_step_plain": "sn74hc244apwr.step",
"lbr": "sn74hc244apwr.lbr"
},
"distributor_links": {
"lcsc": "C2866107",
"mouser": "595-SN74HC244APWR"
},
"distributor_check": {
"checked_at": "2026-10-28T23:51:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 988 calls left today"
},
"mouser": {
"pn": "595-SN74HC244APWR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "1OE",
"type": "input",
"description": "Active-low output enable for buffer 1; when low the 1A inputs pass non-inverted to the 1Y outputs, and when high the 1Y outputs are high-impedance."
},
{
"number": "2",
"name": "1A1",
"type": "input",
"description": "Data input to buffer 1 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "3",
"name": "2Y4",
"type": "output",
"description": "Three-state buffer output for channel 2Y4, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "4",
"name": "1A2",
"type": "input",
"description": "Data input to buffer 1 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "5",
"name": "2Y3",
"type": "output",
"description": "Three-state buffer output for channel 2Y3, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "6",
"name": "1A3",
"type": "input",
"description": "Data input to buffer 1 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "7",
"name": "2Y2",
"type": "output",
"description": "Three-state buffer output for channel 2Y2, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "8",
"name": "1A4",
"type": "input",
"description": "Data input to buffer 1 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "9",
"name": "2Y1",
"type": "output",
"description": "Three-state buffer output for channel 2Y1, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "2A1",
"type": "input",
"description": "Data input to buffer 2 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "12",
"name": "1Y4",
"type": "output",
"description": "Three-state buffer output for channel 1Y4, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "13",
"name": "2A2",
"type": "input",
"description": "Data input to buffer 2 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "14",
"name": "1Y3",
"type": "output",
"description": "Three-state buffer output for channel 1Y3, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "15",
"name": "2A3",
"type": "input",
"description": "Data input to buffer 2 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "16",
"name": "1Y2",
"type": "output",
"description": "Three-state buffer output for channel 1Y2, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "17",
"name": "2A4",
"type": "input",
"description": "Data input to buffer 2 that must stay between 0 V and VCC; unused inputs must be tied to VCC or GND."
},
{
"number": "18",
"name": "1Y1",
"type": "output",
"description": "Three-state buffer output for channel 1Y1, driving up to 15 LSTTL loads with ±6 mA at 5 V."
},
{
"number": "19",
"name": "2OE",
"type": "input",
"description": "Active-low output enable for buffer 2; when low the 2A inputs pass non-inverted to the 2Y outputs, and when high the 2Y outputs are high-impedance."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, recommended 2 V to 6 V (absolute maximum 7 V)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Input and output-enable descriptions combine the Pin Functions table with limits and functional beha; Recommended VCC range 2 V to 6 V and absolute maximum 7 V are stated on page 4 rather than page 3; s; The datasheet lists the PW (TSSOP-20) package as SN74HC244PW; SN74HC244APWR appears only in the pack"
],
"pages_sent": 9,
"cost_usd": 0.0785,
"at": "2026-10-28T23:51:03"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74hc244a.pdf",
"pages": 37,
"sha256": "8bca6ed2074d65a9",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sn74hc244apwr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74hc244apwr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "a9aec568eab9e0e4a294fa2bc7d4026e1dfd4a9825c103761ecef0eb15ff64bf",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "PW0020A",
"source_page": 33,
"D": {
"nom_mm": 6.5,
"range_mm": [
6.4,
6.6
]
},
"E1": {
"nom_mm": 4.4,
"range_mm": [
4.3,
4.5
]
},
"E": {
"nom_mm": 6.4,
"range_mm": [
6.2,
6.6
]
},
"e": {
"nom_mm": 0.65,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.2,
"range_mm": [
null,
1.2
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "sn74hc244apwr.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TSSOP-20",
"Category": "Logic ICs",
"Pins": "20"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8bca6ed2074d65a946c3a6ca8555e76974524ef3d38d3352c318e6aeb50fbcf3",
"rows": [
{
"name": "Supply voltage range",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input clamp current",
"symbol": "IIK",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "VI < 0 or VI > VCC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output clamp current",
"symbol": "IOK",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "VO < 0 or VO > VCC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Continuous output current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -35,
"typ": null,
"max": 35,
"conditions": "VO = 0 or VCC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Continuous current through VCC or GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -70,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": 5,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "VCC = 2 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 3.15,
"typ": null,
"max": null,
"conditions": "VCC = 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 4.2,
"typ": null,
"max": null,
"conditions": "VCC = 6 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "VCC = 2 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 1.35,
"conditions": "VCC = 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "VCC = 6 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input transition rise and fall time",
"symbol": "Δt/Δv",
"kind": "timing",
"unit": "ns/V",
"min": null,
"typ": null,
"max": 1000,
"conditions": "VCC = 2 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input transition rise and fall time",
"symbol": "Δt/Δv",
"kind": "timing",
"unit": "ns/V",
"min": null,
"typ": null,
"max": 500,
"conditions": "VCC = 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input transition rise and fall time",
"symbol": "Δt/Δv",
"kind": "timing",
"unit": "ns/V",
"min": null,
"typ": null,
"max": 400,
"conditions": "VCC = 6 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating free-air temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "SN74HC244",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 131.8,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC (top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 72.2,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance",
"symbol": "RθJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 82.8,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 1.9,
"typ": null,
"max": null,
"conditions": "VI = VIH or VIL, IOH = –20 µA, VCC = 2 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4.4,
"typ": null,
"max": null,
"conditions": "VI = VIH or VIL, IOH = –20 µA, VCC = 4.5 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.9,
"typ": null,
"max": null,
"conditions": "VI = VIH or VIL, IOH = –20 µA, VCC = 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 3.84,
"typ": null,
"max": null,
"conditions": "VI = VIH or VIL, IOH = –6 mA, VCC = 4.5 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.34,
"typ": null,
"max": null,
"conditions": "VI = VIH or VIL, IOH = –7.8 mA, VCC = 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-level output voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "VI = VIH or VIL, IOL = 20 µA, VCC = 2 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-level output voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.33,
"conditions": "VI = VIH or VIL, IOL = 6 mA, VCC = 4.5 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input leakage current",
"symbol": "II",
"kind": "electrical",
"unit": "nA",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "VI = VCC or 0, VCC = 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Off-state (high-impedance) output current",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "VO = VCC or 0, VI = VIH or VIL, VCC = 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 80,
"conditions": "VI = VCC or 0, IO = 0, VCC = 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input capacitance",
"symbol": "Ci",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 10,
"max": null,
"conditions": "VCC = 2 V to 6 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 145,
"conditions": "CL = 50 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 29,
"conditions": "CL = 50 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 25,
"conditions": "CL = 50 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 190,
"conditions": "CL = 50 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 38,
"conditions": "CL = 50 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 32,
"conditions": "CL = 50 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Disable time, OE to Y",
"symbol": "tdis",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 190,
"conditions": "CL = 50 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Disable time, OE to Y",
"symbol": "tdis",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 38,
"conditions": "CL = 50 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Disable time, OE to Y",
"symbol": "tdis",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 32,
"conditions": "CL = 50 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 75,
"conditions": "CL = 50 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 15,
"conditions": "CL = 50 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 13,
"conditions": "CL = 50 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 210,
"conditions": "CL = 150 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 42,
"conditions": "CL = 150 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Propagation delay, A to Y",
"symbol": "tpd",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 35,
"conditions": "CL = 150 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 250,
"conditions": "CL = 150 pF, VCC = 2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 50,
"conditions": "CL = 150 pF, VCC = 4.5 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Enable time, OE to Y",
"symbol": "ten",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 43,
"conditions": "CL = 150 pF, VCC = 6 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 265,
"conditions": "CL = 150 pF, VCC = 2 V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 53,
"conditions": "CL = 150 pF, VCC = 4.5 V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Transition time, to Y",
"symbol": "tt",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 45,
"conditions": "CL = 150 pF, VCC = 6 V",
"source_page": 9,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sn74hc244apwr"
],
"discovery_pitch": "SN74HC244APWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn74hc244apwr.kicad_sym",
"sn74hc244apwr.kicad_mod",
"sn74hc244apwr.glb",
"sn74hc244apwr.step",
"sn74hc244apwr.lbr",
"docs/hero.png",
"docs/sn74hc244apwr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sn74hc244apwr-hero.glb",
"sn74hc244apwr-hero.overlay.json",
"sn74hc244apwr-etched.glb"
],
"visibility": {
"public": true
}
}